194906880 has 216 divisors, whose sum is σ = 771013152. Its totient is φ = 44531712.

The previous prime is 194906879. The next prime is 194906891. The reversal of 194906880 is 88609491.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79432 + ... + 81848.

Almost surely, 2^194906880 is an apocalyptic number.

194906880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194906880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385506576).

194906880 is an abundant number, since it is smaller than the sum of its proper divisors (576106272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194906880 is a wasteful number, since it uses less digits than its factorization.

194906880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451 (or 2434 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 194906880 is about 13960.9054147645. The cubic root of 194906880 is about 579.7966786341.

The spelling of 194906880 in words is "one hundred ninety-four million, nine hundred six thousand, eight hundred eighty".